./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34250e9d8f469697cb8850c8aa9214fde887cb00 ............................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34250e9d8f469697cb8850c8aa9214fde887cb00 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:10:01,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:10:01,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:10:01,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:10:01,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:10:01,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:10:01,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:10:01,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:10:01,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:10:01,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:10:01,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:10:01,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:10:01,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:10:01,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:10:01,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:10:01,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:10:01,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:10:01,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:10:01,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:10:01,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:10:01,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:10:01,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:10:01,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:10:01,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:10:01,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:10:01,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:10:01,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:10:01,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:10:01,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:10:01,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:10:01,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:10:01,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:10:01,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:10:01,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:10:01,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:10:01,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:10:01,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:10:01,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:10:01,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:10:01,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:10:01,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:10:01,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 14:10:01,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:10:01,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:10:01,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:10:01,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:10:01,737 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:10:01,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:10:01,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 14:10:01,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:10:01,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:10:01,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:10:01,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:10:01,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:10:01,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:10:01,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:10:01,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:10:01,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34250e9d8f469697cb8850c8aa9214fde887cb00 [2019-12-07 14:10:01,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:10:01,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:10:01,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:10:01,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:10:01,852 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:10:01,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-12-07 14:10:01,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/40c730a09/40cbdb2789854f0e8d96317c5edbab82/FLAGbe4b37d32 [2019-12-07 14:10:02,330 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:10:02,331 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-12-07 14:10:02,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/40c730a09/40cbdb2789854f0e8d96317c5edbab82/FLAGbe4b37d32 [2019-12-07 14:10:02,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/40c730a09/40cbdb2789854f0e8d96317c5edbab82 [2019-12-07 14:10:02,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:10:02,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 14:10:02,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:10:02,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:10:02,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:10:02,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:10:02" (1/1) ... [2019-12-07 14:10:02,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acb3a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:02, skipping insertion in model container [2019-12-07 14:10:02,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:10:02" (1/1) ... [2019-12-07 14:10:02,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:10:02,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:10:02,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:10:02,993 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 14:10:02,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2238b863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:02, skipping insertion in model container [2019-12-07 14:10:02,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:10:02,993 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 14:10:02,995 INFO L168 Benchmark]: Toolchain (without parser) took 306.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:02,996 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:10:02,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:02,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:10:04,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:10:04,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:10:04,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:10:04,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:10:04,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:10:04,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:10:04,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:10:04,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:10:04,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:10:04,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:10:04,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:10:04,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:10:04,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:10:04,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:10:04,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:10:04,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:10:04,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:10:04,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:10:04,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:10:04,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:10:04,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:10:04,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:10:04,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:10:04,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:10:04,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:10:04,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:10:04,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:10:04,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:10:04,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:10:04,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:10:04,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:10:04,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:10:04,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:10:04,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:10:04,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:10:04,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:10:04,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:10:04,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:10:04,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:10:04,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:10:04,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 14:10:04,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:10:04,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:10:04,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:10:04,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:10:04,173 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:10:04,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:10:04,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:10:04,173 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:10:04,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:10:04,174 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:10:04,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:10:04,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:10:04,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:10:04,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:10:04,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:10:04,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:10:04,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:10:04,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:10:04,176 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34250e9d8f469697cb8850c8aa9214fde887cb00 [2019-12-07 14:10:04,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:10:04,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:10:04,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:10:04,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:10:04,355 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:10:04,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-12-07 14:10:04,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/91d964317/e0a22f7abb98402c8cba7be0a9a3c2d4/FLAG76d8bc7de [2019-12-07 14:10:04,761 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:10:04,761 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-12-07 14:10:04,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/91d964317/e0a22f7abb98402c8cba7be0a9a3c2d4/FLAG76d8bc7de [2019-12-07 14:10:04,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/data/91d964317/e0a22f7abb98402c8cba7be0a9a3c2d4 [2019-12-07 14:10:04,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:10:04,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 14:10:04,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:10:04,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:10:04,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:10:04,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:10:04" (1/1) ... [2019-12-07 14:10:04,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231d58f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:04, skipping insertion in model container [2019-12-07 14:10:04,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:10:04" (1/1) ... [2019-12-07 14:10:04,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:10:04,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:10:05,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:10:05,099 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 14:10:05,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:10:05,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:10:05,154 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:10:05,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:10:05,249 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:10:05,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05 WrapperNode [2019-12-07 14:10:05,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:10:05,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:10:05,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:10:05,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:10:05,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... [2019-12-07 14:10:05,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:10:05,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:10:05,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:10:05,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:10:05,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-12-07 14:10:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-12-07 14:10:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-12-07 14:10:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-12-07 14:10:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-07 14:10:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 14:10:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 14:10:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 14:10:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 14:10:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 14:10:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 14:10:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 14:10:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 14:10:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 14:10:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-12-07 14:10:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-12-07 14:10:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-12-07 14:10:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-12-07 14:10:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 14:10:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 14:10:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 14:10:05,740 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 14:10:05,978 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 14:10:06,201 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:10:06,201 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-12-07 14:10:06,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:10:06 BoogieIcfgContainer [2019-12-07 14:10:06,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:10:06,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:10:06,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:10:06,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:10:06,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:10:04" (1/3) ... [2019-12-07 14:10:06,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379bbf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:10:06, skipping insertion in model container [2019-12-07 14:10:06,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:10:05" (2/3) ... [2019-12-07 14:10:06,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379bbf67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:10:06, skipping insertion in model container [2019-12-07 14:10:06,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:10:06" (3/3) ... [2019-12-07 14:10:06,207 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2019-12-07 14:10:06,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:10:06,220 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-12-07 14:10:06,228 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-12-07 14:10:06,241 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:10:06,241 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 14:10:06,241 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:10:06,241 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:10:06,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:10:06,242 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:10:06,242 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:10:06,242 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:10:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2019-12-07 14:10:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 14:10:06,259 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:10:06,260 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:10:06,261 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 14:10:06,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:10:06,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1115971593, now seen corresponding path program 1 times [2019-12-07 14:10:06,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:10:06,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513918035] [2019-12-07 14:10:06,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 14:10:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:10:06,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:10:06,398 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:10:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:06,448 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:10:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:06,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513918035] [2019-12-07 14:10:06,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:10:06,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-12-07 14:10:06,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409856341] [2019-12-07 14:10:06,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:10:06,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:10:06,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:10:06,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:10:06,535 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 7 states. [2019-12-07 14:10:06,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:10:06,572 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-12-07 14:10:06,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:10:06,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-12-07 14:10:06,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:10:06,580 INFO L225 Difference]: With dead ends: 29 [2019-12-07 14:10:06,580 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 14:10:06,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:10:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 14:10:06,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 14:10:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 14:10:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-12-07 14:10:06,605 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2019-12-07 14:10:06,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:10:06,606 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-12-07 14:10:06,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:10:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-12-07 14:10:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:10:06,606 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:10:06,606 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:10:06,807 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:10:06,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 14:10:06,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:10:06,808 INFO L82 PathProgramCache]: Analyzing trace with hash -235380623, now seen corresponding path program 1 times [2019-12-07 14:10:06,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:10:06,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899160371] [2019-12-07 14:10:06,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 14:10:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:10:06,908 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 14:10:06,909 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:10:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:07,006 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:10:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:07,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899160371] [2019-12-07 14:10:07,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:10:07,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2019-12-07 14:10:07,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199238905] [2019-12-07 14:10:07,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 14:10:07,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:10:07,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 14:10:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 14:10:07,206 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 13 states. [2019-12-07 14:10:07,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:10:07,375 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2019-12-07 14:10:07,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:10:07,375 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-12-07 14:10:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:10:07,377 INFO L225 Difference]: With dead ends: 37 [2019-12-07 14:10:07,378 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 14:10:07,378 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 14:10:07,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 14:10:07,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2019-12-07 14:10:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-12-07 14:10:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-12-07 14:10:07,383 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2019-12-07 14:10:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:10:07,384 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-12-07 14:10:07,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 14:10:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-12-07 14:10:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 14:10:07,384 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:10:07,385 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:10:07,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:10:07,586 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 14:10:07,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:10:07,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1293135673, now seen corresponding path program 1 times [2019-12-07 14:10:07,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:10:07,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332691669] [2019-12-07 14:10:07,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 14:10:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:10:07,737 INFO L264 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:10:07,738 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:10:07,763 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-07 14:10:07,763 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 14:10:07,766 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:10:07,766 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 14:10:07,766 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 14:10:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:07,794 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:10:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:07,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332691669] [2019-12-07 14:10:07,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:10:07,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-12-07 14:10:07,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467204306] [2019-12-07 14:10:07,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:10:07,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:10:07,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:10:07,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:10:07,873 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 7 states. [2019-12-07 14:10:07,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:10:07,926 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-12-07 14:10:07,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:10:07,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-12-07 14:10:07,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:10:07,927 INFO L225 Difference]: With dead ends: 35 [2019-12-07 14:10:07,927 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 14:10:07,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:10:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 14:10:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 14:10:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 14:10:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-12-07 14:10:07,931 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2019-12-07 14:10:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:10:07,931 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-12-07 14:10:07,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:10:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-12-07 14:10:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 14:10:07,932 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:10:07,932 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:10:08,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:10:08,135 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 14:10:08,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:10:08,135 INFO L82 PathProgramCache]: Analyzing trace with hash -503815686, now seen corresponding path program 1 times [2019-12-07 14:10:08,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:10:08,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001014028] [2019-12-07 14:10:08,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 14:10:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:10:08,295 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:10:08,296 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:10:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:08,340 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:10:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:08,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001014028] [2019-12-07 14:10:08,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:10:08,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-12-07 14:10:08,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196044557] [2019-12-07 14:10:08,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:10:08,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:10:08,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:10:08,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:10:08,409 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 7 states. [2019-12-07 14:10:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:10:08,428 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-12-07 14:10:08,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:10:08,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-12-07 14:10:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:10:08,429 INFO L225 Difference]: With dead ends: 33 [2019-12-07 14:10:08,429 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 14:10:08,430 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:10:08,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 14:10:08,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2019-12-07 14:10:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 14:10:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-12-07 14:10:08,433 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 20 [2019-12-07 14:10:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:10:08,433 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-12-07 14:10:08,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:10:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-12-07 14:10:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 14:10:08,434 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:10:08,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:10:08,635 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:10:08,637 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 14:10:08,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:10:08,637 INFO L82 PathProgramCache]: Analyzing trace with hash -503568140, now seen corresponding path program 1 times [2019-12-07 14:10:08,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:10:08,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160439899] [2019-12-07 14:10:08,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 14:10:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:10:08,739 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:10:08,740 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:10:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:08,746 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:10:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:08,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160439899] [2019-12-07 14:10:08,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:10:08,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:10:08,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465444731] [2019-12-07 14:10:08,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:10:08,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:10:08,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:10:08,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:10:08,799 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 3 states. [2019-12-07 14:10:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:10:08,815 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2019-12-07 14:10:08,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:10:08,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 14:10:08,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:10:08,816 INFO L225 Difference]: With dead ends: 34 [2019-12-07 14:10:08,816 INFO L226 Difference]: Without dead ends: 24 [2019-12-07 14:10:08,816 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:10:08,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-12-07 14:10:08,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-12-07 14:10:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 14:10:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2019-12-07 14:10:08,818 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2019-12-07 14:10:08,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:10:08,818 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2019-12-07 14:10:08,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:10:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-12-07 14:10:08,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:10:08,819 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:10:08,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:10:09,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:10:09,021 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-12-07 14:10:09,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:10:09,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2051414223, now seen corresponding path program 1 times [2019-12-07 14:10:09,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:10:09,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016310339] [2019-12-07 14:10:09,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 14:10:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:10:09,205 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 14:10:09,206 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:10:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:11,286 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:10:23,636 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (not (= (select |c_#valid| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))) (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_entry_point_~p~0.base_18)) (not (= |v_old(#valid)_BEFORE_CALL_10| (store |c_old(#valid)| v_entry_point_~p~0.base_18 (_ bv0 1)))))))) is different from false [2019-12-07 14:10:23,642 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,649 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,654 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (= (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from false [2019-12-07 14:10:23,659 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (= (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from true [2019-12-07 14:10:23,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,665 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,673 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,678 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1))))) is different from false [2019-12-07 14:10:23,682 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1))))) is different from true [2019-12-07 14:10:23,713 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,716 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,723 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (or (not (= (select |c_#valid| |v_ldv_malloc_#res.base_54|) (_ bv0 1))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |v_ldv_malloc_#res.base_54| (_ bv0 1))) (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) is different from false [2019-12-07 14:10:23,732 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-12-07 14:10:23,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,769 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_1, v_prenex_4], 5=[v_prenex_3]} [2019-12-07 14:10:23,770 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,782 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)) (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= v_prenex_4 (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))) (exists ((v_prenex_7 (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_8 (_ BitVec 32))) (or (= v_prenex_5 (store v_prenex_3 v_prenex_8 (_ bv0 1))) (not (= (select v_prenex_3 v_prenex_8) (_ bv0 1))))) (not (= v_prenex_5 (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_7 (_ bv0 1)))))) (exists ((v_prenex_6 (_ BitVec 32))) (and (= (select v_prenex_3 v_prenex_6) (_ bv0 1)) (not (= (store v_prenex_3 v_prenex_6 (_ bv0 1)) v_prenex_4)))))))) is different from false [2019-12-07 14:10:23,797 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)) (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= v_prenex_4 (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))) (exists ((v_prenex_7 (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_8 (_ BitVec 32))) (or (= v_prenex_5 (store v_prenex_3 v_prenex_8 (_ bv0 1))) (not (= (select v_prenex_3 v_prenex_8) (_ bv0 1))))) (not (= v_prenex_5 (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_7 (_ bv0 1)))))) (exists ((v_prenex_6 (_ BitVec 32))) (and (= (select v_prenex_3 v_prenex_6) (_ bv0 1)) (not (= (store v_prenex_3 v_prenex_6 (_ bv0 1)) v_prenex_4)))))))) is different from true [2019-12-07 14:10:23,802 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-12-07 14:10:23,822 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,824 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_1, v_prenex_4], 5=[v_prenex_3]} [2019-12-07 14:10:23,826 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,833 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-12-07 14:10:23,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,864 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_1, v_prenex_4], 5=[v_prenex_3]} [2019-12-07 14:10:23,866 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,875 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_55| (_ BitVec 32))) (or (exists ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)) (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_8 (_ BitVec 32))) (or (= v_prenex_5 (store v_prenex_3 v_prenex_8 (_ bv0 1))) (not (= (select v_prenex_3 v_prenex_8) (_ bv0 1))))) (not (= v_prenex_5 (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_7 (_ bv0 1)))))) (= v_prenex_4 (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((v_prenex_6 (_ BitVec 32))) (and (= (select v_prenex_3 v_prenex_6) (_ bv0 1)) (not (= (store v_prenex_3 v_prenex_6 (_ bv0 1)) v_prenex_4)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))))) is different from false [2019-12-07 14:10:23,882 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_55| (_ BitVec 32))) (or (exists ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)) (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_7 (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_8 (_ BitVec 32))) (or (= v_prenex_5 (store v_prenex_3 v_prenex_8 (_ bv0 1))) (not (= (select v_prenex_3 v_prenex_8) (_ bv0 1))))) (not (= v_prenex_5 (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_7 (_ bv0 1)))))) (= v_prenex_4 (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((v_prenex_6 (_ BitVec 32))) (and (= (select v_prenex_3 v_prenex_6) (_ bv0 1)) (not (= (store v_prenex_3 v_prenex_6 (_ bv0 1)) v_prenex_4)))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))))) is different from true [2019-12-07 14:10:23,887 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-12-07 14:10:23,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-12-07 14:10:23,921 INFO L430 ElimStorePlain]: Different costs {0=[v_prenex_1, v_prenex_4], 5=[v_prenex_3]} [2019-12-07 14:10:23,923 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2019-12-07 14:10:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:10:23,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016310339] [2019-12-07 14:10:23,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:10:23,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 12] imperfect sequences [] total 18 [2019-12-07 14:10:23,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214263085] [2019-12-07 14:10:23,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-12-07 14:10:23,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:10:23,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-12-07 14:10:23,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=105, Unknown=34, NotChecked=162, Total=342 [2019-12-07 14:10:23,936 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 19 states. [2019-12-07 14:10:37,112 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)) (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= v_prenex_4 (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))) (exists ((v_prenex_7 (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_8 (_ BitVec 32))) (or (= v_prenex_5 (store v_prenex_3 v_prenex_8 (_ bv0 1))) (not (= (select v_prenex_3 v_prenex_8) (_ bv0 1))))) (not (= v_prenex_5 (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_7 (_ bv0 1)))))) (exists ((v_prenex_6 (_ BitVec 32))) (and (= (select v_prenex_3 v_prenex_6) (_ bv0 1)) (not (= (store v_prenex_3 v_prenex_6 (_ bv0 1)) v_prenex_4)))))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1)))) is different from false [2019-12-07 14:10:37,116 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (and (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (or (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)) (not (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_ldv_malloc_#res.base_54| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))) (= (select |c_old(#valid)| |v_ldv_malloc_#res.base_54|) (_ bv0 1)))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= v_prenex_4 (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1))) (exists ((v_prenex_7 (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_8 (_ BitVec 32))) (or (= v_prenex_5 (store v_prenex_3 v_prenex_8 (_ bv0 1))) (not (= (select v_prenex_3 v_prenex_8) (_ bv0 1))))) (not (= v_prenex_5 (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_7 (_ bv0 1)))))) (exists ((v_prenex_6 (_ BitVec 32))) (and (= (select v_prenex_3 v_prenex_6) (_ bv0 1)) (not (= (store v_prenex_3 v_prenex_6 (_ bv0 1)) v_prenex_4)))))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1)))) is different from true [2019-12-07 14:10:37,121 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_h_safe_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1))))) (= |c_#valid| (store |c_old(#valid)| |c_h_safe_#t~ret38.base| (_ bv1 1)))) is different from false [2019-12-07 14:10:37,126 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)) (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))) (= (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1))))) (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))))))) (= |c_#valid| (store |c_old(#valid)| |c_h_safe_#res.base| (_ bv1 1))) (= (_ bv0 1) (select |c_old(#valid)| |c_h_safe_#res.base|))) is different from false [2019-12-07 14:10:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:10:37,280 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-12-07 14:10:37,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 14:10:37,280 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 23 [2019-12-07 14:10:37,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:10:37,281 INFO L225 Difference]: With dead ends: 23 [2019-12-07 14:10:37,281 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:10:37,281 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=62, Invalid=143, Unknown=71, NotChecked=324, Total=600 [2019-12-07 14:10:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:10:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:10:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:10:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:10:37,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-12-07 14:10:37,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:10:37,282 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:10:37,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-12-07 14:10:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:10:37,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:10:37,483 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 14:10:37,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:10:37 BoogieIcfgContainer [2019-12-07 14:10:37,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:10:37,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:10:37,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:10:37,498 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:10:37,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:10:06" (3/4) ... [2019-12-07 14:10:37,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:10:37,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-12-07 14:10:37,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 14:10:37,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-12-07 14:10:37,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-12-07 14:10:37,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-12-07 14:10:37,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-12-07 14:10:37,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-12-07 14:10:37,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-12-07 14:10:37,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-12-07 14:10:37,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 14:10:37,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-12-07 14:10:37,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-12-07 14:10:37,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-12-07 14:10:37,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-12-07 14:10:37,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-12-07 14:10:37,524 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-12-07 14:10:37,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-12-07 14:10:37,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-12-07 14:10:37,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-12-07 14:10:37,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-12-07 14:10:37,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-12-07 14:10:37,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-12-07 14:10:37,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:10:37,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:10:37,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:10:37,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:10:37,570 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c61befc-0fc6-4377-8529-ac3650a600c4/bin/uautomizer/witness.graphml [2019-12-07 14:10:37,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:10:37,571 INFO L168 Benchmark]: Toolchain (without parser) took 32787.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 947.0 MB in the beginning and 785.4 MB in the end (delta: 161.6 MB). Peak memory consumption was 396.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:37,571 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:10:37,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:37,572 INFO L168 Benchmark]: Boogie Preprocessor took 81.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:37,572 INFO L168 Benchmark]: RCFGBuilder took 871.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:37,572 INFO L168 Benchmark]: TraceAbstraction took 31293.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 960.5 MB in the beginning and 793.9 MB in the end (delta: 166.6 MB). Peak memory consumption was 271.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:37,572 INFO L168 Benchmark]: Witness Printer took 72.52 ms. Allocated memory is still 1.3 GB. Free memory was 793.9 MB in the beginning and 785.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:10:37,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 871.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.5 MB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31293.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 960.5 MB in the beginning and 793.9 MB in the end (delta: 166.6 MB). Peak memory consumption was 271.4 MB. Max. memory is 11.5 GB. * Witness Printer took 72.52 ms. Allocated memory is still 1.3 GB. Free memory was 793.9 MB in the beginning and 785.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 764]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 340 locations, 74 error locations. Result: SAFE, OverallTime: 31.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 34 SDslu, 433 SDs, 0 SdLazy, 336 SolverSat, 14 SolverUnsat, 20 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 228 ConstructedInterpolants, 20 QuantifiedInterpolants, 33172 SizeOfPredicates, 8 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...